x^(2/7)=4

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Solution for x^(2/7)=4 equation: 


x in (-oo:+oo)

x^(2/7) = 4 // - 4

x^(2/7)-4 = 0

1*x^(2/7) = 4 // : 1

x^(2/7) = 4

x^(2/7) = 4 // ^ 7

x^2 = 16384 // ^ 1/2

abs(x) = 128

x = 128 or x = -128

x in { 128, -128 }

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